fractions

英 [ˈfrækʃənz]

美 [ˈfrækʃənz]

n.  小部分; 少量; 一点儿; 分数; 小数
fraction的复数

柯林斯词典

• N-COUNT 少量;小份;一点儿
  Afractionofsomething is a tiny amount or proportion of it.
  1. She hesitated for a fraction of a second before responding...
     她在回答之前犹豫了一下。
  2. Here's how to eat like the stars, at a fraction of the cost...
     这就是如何花少量钱却能像明星一样吃喝的方法。
  3. I opened my eyes just a fraction.
     我微微睁开了眼睛。
• N-COUNT 分数
  Afractionis a number that can be expressed as a proportion of two whole numbers. For example, ½ and ⅓ are both fractions.
  1. The students had a grasp of decimals, percentages and fractions.
     学生们掌握了小数、百分数和分数。

双语例句

• In contact with a hot surface, naphtha petroleum fractions crack to produce ethylene and propylene.
  石脑油馏份与一个热表面接角，就裂解而得到乙烯和丙烯。
• The critical solubility temperatures for16 different mass fractions of castor oil were measured with an improved experimental apparatus.
  为测定二甲醚与蓖麻油混合燃料的临界互溶温度，对互溶性实验装置进行了改进。
• Difference of opinion broke up the party into fractions.
  意见分歧使这个党分裂成各个小派别。
• Mole fractions or ratio, but it's got units.
  摩尔分数或比率，但它是有单位的。
• To study the antioxidant activity of Lilium lancifolium Thunb., and screen the main active fractions.
  对卷丹百合进行抗氧化活性研究，并筛选其主要的活性部位。
• Of course, at the limits they're still, both mole fractions they're zero and one.
  当然，在极限处，两个摩尔分数分别是零和一。
• Mercaptans in the light fractions of FCC naphtha from different refineries were removed by caustic extraction.
  采用碱液抽提的方式，对来自不同炼油厂的催化裂化汽油轻馏分进行了脱硫醇精制试验。
• In this chapter we shall look at how the computer copes with negative numbers and fractions in binary arithmetic.
  本章要介绍的是计算机如何用二进制算法来处理负数和小数。
• To study the chemical constituents in acetic ether and n-butyl alcohol fractions from the roots of Isatis indigotica alcohol extract.
  研究板蓝根乙醇提取物的醋酸乙酯和正丁醇萃取层中的化学成分。
• What fractions of NPP are invested in allelochemic substances in different communities?
  在不同的群落的npp中究竟有多大部分投入他感化学物质？